20893850

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{523}}^1$

素因数の和:599

約数の個数: 48

約数和(自身を含む): 42104448

約数和(自身を除く): 21210598

約数列:

[1, 2, 5, 10, 17, 25, 34, 47, 50, 85, 94, 170, 235, 425, 470, 523, 799, 850, 1046, 1175, 1598, 2350, 2615, 3995, 5230, 7990, 8891, 13075, 17782, 19975, 24581, 26150, 39950, 44455, 49162, 88910, 122905, 222275, 245810, 417877, 444550, 614525, 835754, 1229050, 2089385, 4178770, 10446925, 20893850]

約数ペア:

[(1, 20893850), (2, 10446925), (5, 4178770), (10, 2089385), (17, 1229050), (25, 835754), (34, 614525), (47, 444550), (50, 417877), (85, 245810), (94, 222275), (170, 122905), (235, 88910), (425, 49162), (470, 44455), (523, 39950), (799, 26150), (850, 24581), (1046, 19975), (1175, 17782), (1598, 13075), (2350, 8891), (2615, 7990), (3995, 5230)]